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How do I convert hex to decimal in Python? [duplicate]
...
If by "hex data" you mean a string of the form
s = "6a48f82d8e828ce82b82"
you can use
i = int(s, 16)
to convert it to an integer and
str(i)
to convert it to a decimal string.
...
Extracting double-digit months and days from a Python date [duplicate]
... Just to add another formatting method to get a padded zero string you could use the zfill() function like so: str(d.month).zfill(2)
– Muon
Mar 1 '18 at 4:22
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STL：accumulate与自定义数据类型 - C/C++ - 清泛网 - 专注C/C++及内核技术
...分析...
假设自定义数据类型为：
struct Student
{
string name; // 学生姓名
int total; // 四级分数
};
那么我们可能要定义如下列的类：
#include <iostream>
#include <algorithm>
#include <numeric>
#include <vector>
#include <string>
u...
warning C4172: returning address of local variable or temporary - C/C+...
...
//返回单词出现的行号set
const set<int> & TextQuery::RunQuery(string word) const
{
map< string,set<int> >::const_iterator it = m_mapWordLine.find(word);
if(it != m_mapWordLine.end())
return it->second;
else
return set<int>();//emp...
error C2804:binary \'operator +\' has too many parameters - C/C++ - 清泛网 - 专注C/C++及内核技术
...or +' has too many parameters代码如下：#include <iostream> #include <string> clas...error C2804:binary 'operator +' has too many parameters
代码如下：
#include <iostream>
#include <string>
class Sales_item
{
// private members
private:
std::string i...
php中0,null,empty,空,false,字符串关系详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ric($a)){
echo "0 is numeric <br/>";
} //output:0 is numeric
if(is_string($a)){
echo "0 is string <br/>";
} //no output
if(strval($a)==''){
echo "转换成字符串的0 is '' <br/>";
} //no output
$b = '';
if($b==0){
echo "'' 等于 0 <br/>";
} //output:'' 等于 0...
还原MongoDB中Decimal类型数据 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...数据（原数据为0.12345）可能是类似0.1234499999999的形式，ToString("f4")转化string值为0.1234，正确值应为0.1235。
解决方法：
先还原Double类型后值为0.12345，再做四舍五入。
private static string Decimal2String(decimal dec)
{
return dec == 0 ?...
How to affect other elements when one element is hovered
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If the cube is directly inside the container:
#container:hover > #cube { background-color: yellow; }
If cube is next to (after containers closing tag) the container:
#container:hover + #cube { background-color: yellow; }
If the cube is somewhe...
“The certificate chain was issued by an authority that is not trusted” when connecting DB in VM Role
...r SQL VM's trusted root store.
If you have Encrypt=True in the connection string, either set that to off (not recommended), or add the following in the connection string:
TrustServerCertificate=True
SQL Server will create a self-signed certificate if you don't install one for it to use, but it w...
How do I clone a range of array elements to a new array?
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The following code does it in one line:
// Source array
string[] Source = new string[] { "A", "B", "C", "D" };
// Extracting a slice into another array
string[] Slice = new List<string>(Source).GetRange(2, 2).ToArray();
...